Torrential downpours driven by monster storms threaten millions of Americans with a "catastrophic once-in-a-thousand-years" ...

At least seven people have been killed in a wide swath of violent storms and tornadoes that hit the South and Midwest ...

A wide-reaching storm spawned several intense and violent tornadoes Wednesday, and threatens near-nonstop rainfall Thursday that could trigger once-in-a-lifetime flooding. Follow here for live updates ...

The worst of the storm system is set to hit on ... Truly, the potential is there for a historic flash flooding event.' Along with extreme levels of flash flooding, meteorologists say there's ...